53956420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{385403}}^1$

素因数の和:385419

約数の個数: 24

約数和(自身を含む): 129495744

約数和(自身を除く): 75539324

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 385403, 770806, 1541612, 1927015, 2697821, 3854030, 5395642, 7708060, 10791284, 13489105, 26978210, 53956420]

約数ペア:

[(1, 53956420), (2, 26978210), (4, 13489105), (5, 10791284), (7, 7708060), (10, 5395642), (14, 3854030), (20, 2697821), (28, 1927015), (35, 1541612), (70, 770806), (140, 385403)]